Interlocking buttress material retention system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/072
A61B-017/068
A61B-017/00
A61B-017/32
출원번호
US-0668231
(2015-03-25)
등록번호
US-9364234
(2016-06-14)
발명자
/ 주소
(Prommersberger) Stopek, Megan
출원인 / 주소
Covidien LP
인용정보
피인용 횟수 :
18인용 특허 :
286
초록▼
A surgical stapler is provided having a pair of jaws including a staple containing cartridge and an anvil. Buttress material is releasable affixed to the staple containing cartridge and the anvil. One of the jaws includes a pair of longitudinal projections at a first end of the jaw and configured to
A surgical stapler is provided having a pair of jaws including a staple containing cartridge and an anvil. Buttress material is releasable affixed to the staple containing cartridge and the anvil. One of the jaws includes a pair of longitudinal projections at a first end of the jaw and configured to frictionally engage corresponding slots in a first end the buttress material. One of the jaws includes a post at a second end of the jaw. The buttress material includes a hole in a second end of the buttress material for receipt of the post.
대표청구항▼
1. A surgical stapler comprising: a jaw assembly including a staple cartridge and an anvil, at least one of the staple cartridge and anvil having a tissue facing surface including at least one projection formed as a single piece therewith, the at least one projection extending from the tissue facing
1. A surgical stapler comprising: a jaw assembly including a staple cartridge and an anvil, at least one of the staple cartridge and anvil having a tissue facing surface including at least one projection formed as a single piece therewith, the at least one projection extending from the tissue facing surface of the at least one of the staple cartridge and anvil; anda buttress material defining a recess therein for receiving the at least one projection so that the buttress material is releasably disposed against the tissue facing surface, the buttress material having a bioactive agent for delivery of the bioactive agent to tissue, the bioactive agent having pharmacological activity with the tissue. 2. The surgical stapler according to claim 1, wherein the buttress material is in contact with the tissue facing surface. 3. The surgical stapler according to claim 1, wherein the at least one of the staple cartridge and anvil includes a longitudinally extending knife slot, the at least one projection being separated by the knife slot. 4. The surgical stapler as recited in claim 3, further comprising at least one other projection disposed near a proximal end of the at least one of the staple cartridge and anvil. 5. The surgical stapler as recited in claim 1, wherein the at least one projection is disposed near a distal end of the at least one of the staple cartridge and anvil. 6. The surgical stapler as recited in claim 1, wherein the at least one projection includes a neck portion and a bulbous portion. 7. The surgical stapler as recited in claim 1, wherein the buttress material comprises a bioabsorbable material. 8. The surgical stapler as recited in claim 1, wherein the buttress material comprises a natural biological polymer. 9. The surgical stapler as recited in claim 1, wherein the bioactive agent is selected from the group consisting of anti-adhesives, antimicrobials, analgesics, antipyretics, anesthetics, antiepileptics, antihistimines, anti-inflammatories, cardiovascular drugs, diagnostic agents, sympathomimetics, cholinomimetics, antimuscarinics, antispasmodics, hormones, growth factors, muscle relaxants, adrenergic neuron blockers, antineoplastics, immunogenic agents, immunosuppressants, gastrointestinal drugs, diuretics, steroids, lipids, lipopolysaccharides, polysaccharides, and enzymes. 10. The surgical stapler as recited in claim 1, wherein the staple cartridge defines at least one linear row of staple pockets.
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